Zakelly commented on code in PR #25792:
URL: https://github.com/apache/flink/pull/25792#discussion_r1883199135
##########
flink-runtime/src/main/java/org/apache/flink/runtime/asyncprocessing/operators/AbstractAsyncStateStreamOperatorV2.java:
##########
@@ -259,17 +265,33 @@ public void processWatermark(Watermark mark) throws
Exception {
super.processWatermark(mark);
return;
}
- asyncExecutionController.processNonRecord(
- () -> {
- // todo: make async operator deal with interruptible
watermark
- if (timeServiceManager != null) {
- CompletableFuture<Void> future =
timeServiceManager.advanceWatermark(mark);
- future.thenAccept(v -> output.emitWatermark(mark));
-
asyncExecutionController.drainWithTimerIfNeeded(future);
- } else {
- output.emitWatermark(mark);
- }
- });
+ asyncExecutionController.processNonRecord(() ->
doProcessWatermark(mark, null));
+ }
+
+ /**
+ * Handle the watermark and timers, then run a provided {@link Runnable}
asynchronously right
+ * after the watermark is emitted.
+ *
+ * @param mark The watermark.
+ * @param postAction The runnable for post action.
+ */
+ protected void doProcessWatermark(Watermark mark, @Nullable Runnable
postAction)
+ throws Exception {
+ // todo: make async operator deal with interruptible watermark
Review Comment:
Please read https://issues.apache.org/jira/browse/FLINK-20217
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